cynap test java version

Cynap.java

public class Cynap {
    private static final int BASE = 26;

    public static void main(String[] args) {
        if (args.length < 1) {
            System.out.println("please insert value... ");
            return;
        }

        System.out.println("input: " + args[0]);
        int value = Integer.parseInt(args[0]);

        int length = getAlphabetLength(value);
        StringBuffer output = new StringBuffer();

        for (int i = length; i > 1; i--) {
            int divider = (int)Math.pow(BASE, i-1);
            int quotient = value / divider;

            if (quotient > BASE) {
                quotient = BASE;
            }

            value -= divider * quotient;
            output.append(itoalpha(quotient));
        }

        if (value > 0) {
            output.append(itoalpha(value));
        }

        System.out.println("result: " + output.toString());
    }


    private static char itoalpha(int i) {
        return (char)(i+64);
    }

   private static int getAlphabetLength(int value) {
        boolean found = false;
        int length = 1;
        int baseOfLength = 0;

        while (! found) {
            baseOfLength += Math.pow(BASE, length);

            if (baseOfLength >= value) {
                found = true;
            } else {
                length++;
            }
        }
        return length;
    }
}